Home / 11,832.30-17,743.28-4,431.57

Finding the Fourth Proportional to 11,832.30, 17,743.28 and 4,431.57

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Solution

The fourth proportional to 11,832.30, 17,743.28 and 4,431.57 is: 6,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.30 : 17,743.28 = 4,431.57 : x
  2. Step 2: Convert to fraction form
    11,832.30/17,743.28 = 4,431.57/x
  3. Step 3: Cross multiply
    11,832.30x = 17,743.28 × 4,431.57
  4. Step 4: Simplify right side
    11,832.30x = 78,630,565.19
  5. Step 5: Solve for x
    x = 78,630,565.19/11,832.30
  6. Step 6: Final answer
    x = 6,645.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.